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Topic: Correct intake numbers (Read 3088 times)

Got a line on an intake for a 69 small block and need some help to properly identify. I've got the original block in the car – 350/300hp, but not intake. (It's a Tonowanda code block).

Other than the date code, what would be the correct casting number(s) that I would be looking for on the intake? Also, there is a letter code cast in front of the carb. I've seen "R" and "T" and others, which ones would be correct for '69 350/300? Does that matter?

Ed one more if I may. Here's a pic of the current intake. It's a '68 - date code E . 68. Is the front arrangement under where the upper radiator hose casting the same on the '69 intake? Specifically, where the "insert" is, and the heater hose connection? (I am just now realizing that it may not be a "freeze" plug, but a plug where an oil tube would go for earlier models.)